using System;

/// <summary>
/// 打孔带运行时与存档数据。流程、资源和显示信息统一由 DefinitionId 在 PunchTapeCatalog 中解析。
/// </summary>
namespace AibisDream.FixSystem
{
    [Serializable]
    public class PunchTape : IEquatable<PunchTape>
    {
        public string DefinitionId;
        public bool used;

        public PunchTape()
        {
        }

        public PunchTape(string definitionId)
        {
            DefinitionId = definitionId;
        }

        /// <summary>用于收藏列表去重与 UI 行映射（与 Equals 一致）。</summary>
        public string GetRowKey()
        {
            return DefinitionId ?? string.Empty;
        }

        public bool Equals(PunchTape other)
        {
            if (other is null) return false;
            if (ReferenceEquals(this, other)) return true;
            return string.Equals(DefinitionId, other.DefinitionId, StringComparison.Ordinal);
        }

        public override bool Equals(object obj) => Equals(obj as PunchTape);

        public override int GetHashCode()
        {
            return DefinitionId != null ? StringComparer.Ordinal.GetHashCode(DefinitionId) : 0;
        }

        public static bool operator ==(PunchTape left, PunchTape right)
        {
            if (left is null) return right is null;
            return left.Equals(right);
        }

        public static bool operator !=(PunchTape left, PunchTape right) => !(left == right);
    }
}